{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Treatment.Drug", "Subject.Disorder", "Treatment.Time_elapsed", "Treatment.Freq", "Subject.Race", "Treatment.Route", "Subject", "Treatment", "Effect", "Treatment.Dosage", "Subject.Population", "Treatment.Disorder", "Combination.Drug", "Treatment.Duration", "Subject.Age", "Subject.Gender"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Effect", "Combination.Drug", "Treatment.Route", "Treatment.Freq", "Subject.Gender", "Treatment", "Subject.Age", "Subject.Race", "Treatment.Time_elapsed", "Treatment.Duration", "Treatment.Dosage", "Subject.Disorder", "Subject", "Subject.Population"]}], "input": "All changes disappeared 4 months after the discontinuation of VAD chemotherapy, which further pointed out towards adriamycin and vincristine as possible etiologic agents."}
{"adverse event": [{"trigger": "etiologic agents.", "arguments": {"Treatment.Drug": ["adriamycin", "vincristine"], "Subject.Disorder": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment.Freq": "NAN", "Subject.Race": "NAN", "Treatment.Route": "NAN", "Subject": "NAN", "Treatment": "adriamycin and vincristine", "Effect": "All changes", "Treatment.Dosage": "NAN", "Subject.Population": "NAN", "Treatment.Disorder": "NAN", "Combination.Drug": ["adriamycin", "vincristine"], "Treatment.Duration": "NAN", "Subject.Age": "NAN", "Subject.Gender": "NAN"}}], "potential therapeutic event": []}